Laski LS 150 T, Operating Instructions Manual

Page: 39 / 48

39
Checking, Oil Exchange
Operation Component Interval (hrs)
10 100 250 500 1000 2500 5000
Cleaning Hydraulic oil tank *
Hydraulic oil filter
*
Checking Hydraulic oil in tank
*
Exchange Hydraulic oil in circuit *
Exchange Oil gear *
(5
years)
(*) clean daily under special conditions
(**) clean every 4 – 5 hrs under extreme dusty conditions
(***) see recommended oils
(o)
if clogging indicated
(

) first exchange
Failures and Troubleshooting
Failure Cause Remedy
Wrong chipping
or loading Blunt blades Remove and regrind blades. If worn,
replace them for new ones.
Worn opposite cutting
edge Remove and regrind cutting edge; set
optimal clearance between blade and
opposite cutting edge
Malfunction of loading
rolls See Problems with hydraulics
Wrong angle geometry Regrind in accordance with detailed
figure of edge geometry
Damage/wear of
loading rolls Replacement
Too small, dry or rotten
materials Mix before loading
Breaker fouled Load longer materials with higher
weight
Loading rolls do not
turn – rotor runs idle Wrong setup of sensor for turning the
loading rolls on service
Tractor engine
overloaded while
chipping Wrong sensor setting
for min. speed Switching-off speed is set too high service
Blown fuse in
regulation circuit Fuse replacement
Faulty control unit in
regulation circuit Replacement
Faulty sensor – LED
does not burn Replacement
Loading rolls do not
turn Faulty electric
switchboard Coil replacement